← Glossary Morphology sessile Attached directly to the stem without a stalk. A sessile leaf lacks a petiole ; a sessile flower lacks a pedicel . Plants Using This Term (7) Ammannia capitellata — Cogswamp Toothcup Ammannia pedicellata — Golden Nesaea Limnophila sessiliflora — Asian Ambulia Maianthemum racemosum — False Solomon's Seal Myosotis scorpioides — Water Forget-me-not Toxicodendron pubescens — Atlantic Poison Oak Trillium grandiflorum — Great White Trillium Related Terms achene acuminate alternate annual axillary basal berry biennial bract calyx capsule cauline clasping cordate corolla crenate cyme cypsela deciduous dentate drupe entire evergreen glaucous inflorescence lanceolate ligulate lobed opposite ovary palmate panicle pappus pedicel perennial petiole pinnate pubescent raceme rachis rhizome rosette sepal serrate silique spadix spathe spatulate stamen succulent taproot ternate thallus trifoliate umbel undulate whorled